*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;color:#333;line-height:1.7;background:#f5f6f5}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
ul,ol{list-style:none}
.gr-container{max-width:1200px;margin:0 auto;padding:0 15px}

.gr-topbar{background:#1a3d24;color:#c8e0cf;font-size:13px;padding:6px 0}
.gr-topbar .gr-container{display:flex;justify-content:space-between;align-items:center}
.gr-topbar a{color:#c8e0cf}

.gr-header{background:#fff;box-shadow:0 2px 8px rgba(0,0,0,.08);position:sticky;top:0;z-index:100}
.gr-header .gr-container{display:flex;align-items:center;justify-content:space-between;height:80px}
.gr-logo{display:flex;align-items:center;gap:10px}
.gr-logo img{height:50px;width:auto}
.gr-logo-text{font-size:20px;font-weight:700;color:#1a3d24;letter-spacing:1px}
.gr-nav>ul{display:flex;gap:8px}
.gr-nav>ul>li{position:relative}
.gr-nav>ul>li>a{display:block;padding:30px 20px;font-size:16px;color:#333;font-weight:500;transition:color .2s}
.gr-nav>ul>li>a:hover,.gr-nav>ul>li.gr-active>a{color:#2d7a46}
.gr-nav>ul>li.gr-active{border-bottom:3px solid #2d7a46}
.gr-menu-btn{display:none;background:none;border:none;font-size:26px;cursor:pointer;color:#1a3d24}

.gr-banner{position:relative;overflow:hidden}
.gr-banner-slide{width:100%;height:480px;background-size:cover;background-position:center;display:flex;align-items:center}
.gr-banner-slide .gr-container{position:relative;z-index:2}
.gr-banner h2{font-size:42px;color:#fff;text-shadow:0 2px 12px rgba(0,0,0,.5);margin-bottom:16px}
.gr-banner p{font-size:18px;color:#e8f5ec;max-width:560px;text-shadow:0 1px 6px rgba(0,0,0,.4)}
.gr-banner-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(20,60,35,.75),rgba(45,122,70,.45))}

.gr-section{padding:60px 0}
.gr-section-tit{text-align:center;margin-bottom:40px}
.gr-section-tit h3{font-size:30px;color:#1a3d24;position:relative;display:inline-block;padding-bottom:14px}
.gr-section-tit h3::after{content:"";position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:60px;height:3px;background:#2d7a46}
.gr-section-tit p{color:#888;margin-top:10px;font-size:14px}

.gr-about{background:#fff}
.gr-about-wrap{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.gr-about-text h4{font-size:22px;color:#1a3d24;margin-bottom:16px}
.gr-about-text p{color:#555;margin-bottom:14px;text-indent:2em}
.gr-about-img{border-radius:6px;overflow:hidden;box-shadow:0 6px 20px rgba(0,0,0,.12)}

.gr-products{background:#f0f4f1}
.gr-prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.gr-prod-card{background:#fff;border-radius:8px;overflow:hidden;box-shadow:0 2px 10px rgba(0,0,0,.06);transition:transform .25s,box-shadow .25s}
.gr-prod-card:hover{transform:translateY(-5px);box-shadow:0 8px 24px rgba(0,0,0,.12)}
.gr-prod-card .gr-prod-img{height:220px;overflow:hidden}
.gr-prod-card .gr-prod-img img{width:100%;height:100%;object-fit:cover}
.gr-prod-card .gr-prod-body{padding:20px}
.gr-prod-card h4{font-size:18px;color:#1a3d24;margin-bottom:8px}
.gr-prod-card p{color:#777;font-size:14px;line-height:1.6}
.gr-prod-card .gr-prod-link{display:inline-block;margin-top:12px;color:#2d7a46;font-size:14px}

.gr-advantages{background:#1a3d24;color:#e8f5ec}
.gr-adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center}
.gr-adv-item .gr-adv-num{font-size:36px;font-weight:700;color:#6fbf8a;margin-bottom:8px}
.gr-adv-item h4{font-size:17px;margin-bottom:8px;color:#fff}
.gr-adv-item p{font-size:13px;color:#a8c9b3}

.gr-apps{background:#fff}
.gr-app-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.gr-app-item{padding:24px;background:#f5f8f6;border-radius:6px;text-align:center;border:1px solid #e2ebe5}
.gr-app-item h4{font-size:16px;color:#2d5a3a;margin-bottom:6px}
.gr-app-item p{font-size:13px;color:#888}

.gr-news{background:#f0f4f1}
.gr-news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.gr-news-card{background:#fff;border-radius:6px;overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,.06)}
.gr-news-card .gr-news-img{height:180px;overflow:hidden}
.gr-news-card .gr-news-img img{width:100%;height:100%;object-fit:cover}
.gr-news-card .gr-news-body{padding:16px}
.gr-news-card .gr-news-date{font-size:12px;color:#999;margin-bottom:8px}
.gr-news-card h4{font-size:16px;color:#222;line-height:1.5;margin-bottom:8px}
.gr-news-card p{font-size:13px;color:#777;line-height:1.6}

.gr-cta{background:linear-gradient(135deg,#1a3d24,#2d7a46);color:#fff;padding:50px 0;text-align:center}
.gr-cta h3{font-size:26px;margin-bottom:10px}
.gr-cta p{font-size:16px;opacity:.9}
.gr-cta .gr-phone{font-size:32px;font-weight:700;margin:16px 0}

.gr-footer{background:#142e1c;color:#9ab8a4;padding:40px 0 20px}
.gr-foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;margin-bottom:24px}
.gr-foot-grid h5{color:#fff;font-size:15px;margin-bottom:14px}
.gr-foot-grid p,.gr-foot-grid a{font-size:13px;color:#9ab8a4;line-height:2}
.gr-foot-grid a:hover{color:#fff}
.gr-foot-bottom{border-top:1px solid #2a4a34;padding-top:16px;text-align:center;font-size:12px;color:#6a8a74}

.gr-page-banner{height:260px;background:linear-gradient(135deg,#1a3d24,#2d7a46);display:flex;align-items:center}
.gr-page-banner h2{color:#fff;font-size:34px}
.gr-page-banner p{color:#c8e0cf;margin-top:6px}

.gr-breadcrumb{background:#fff;padding:12px 0;font-size:13px;color:#888;border-bottom:1px solid #eee}
.gr-breadcrumb a{color:#2d7a46}

.gr-list-page{background:#fff;padding:40px 0}
.gr-news-list-item{display:flex;gap:20px;padding:20px 0;border-bottom:1px solid #eee}
.gr-news-list-item .gr-thumb{width:240px;height:150px;flex-shrink:0;overflow:hidden;border-radius:4px}
.gr-news-list-item .gr-thumb img{width:100%;height:100%;object-fit:cover}
.gr-news-list-item h3{font-size:18px;margin-bottom:8px;color:#222}
.gr-news-list-item .gr-date{font-size:12px;color:#999;margin-bottom:8px}
.gr-news-list-item p{font-size:14px;color:#666;line-height:1.6}

.gr-detail{background:#fff;padding:40px 0}
.gr-detail .gr-detail-img{margin:20px 0;border-radius:6px;overflow:hidden}
.gr-detail .gr-detail-content{font-size:15px;color:#444;line-height:1.9}
.gr-detail .gr-detail-content p{margin-bottom:16px;text-indent:2em}
.gr-detail .gr-detail-meta{font-size:13px;color:#999;border-bottom:1px solid #eee;padding-bottom:16px;margin-bottom:20px}

.gr-prod-detail{background:#fff;padding:40px 0}
.gr-prod-detail-wrap{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.gr-prod-detail-img{border-radius:8px;overflow:hidden}
.gr-prod-detail-info h2{font-size:26px;color:#1a3d24;margin-bottom:16px}
.gr-prod-detail-info .gr-spec{background:#f5f8f6;border-radius:6px;padding:16px;margin:16px 0}
.gr-prod-detail-info .gr-spec li{display:flex;justify-content:space-between;padding:6px 0;border-bottom:1px dashed #dde5df;font-size:14px}
.gr-prod-detail-info p{color:#555;margin-bottom:12px}

.gr-contact-box{background:#f5f8f6;border-radius:8px;padding:30px}
.gr-contact-box h4{font-size:18px;color:#1a3d24;margin-bottom:12px}
.gr-contact-box p{font-size:15px;color:#555;margin-bottom:10px;line-height:2}

.gr-404{text-align:center;padding:100px 20px;background:#fff}
.gr-404 .gr-code{font-size:120px;font-weight:800;color:#2d7a46;line-height:1}
.gr-404 h2{font-size:24px;margin:16px 0;color:#333}
.gr-404 p{color:#888;margin-bottom:24px}
.gr-404 a{display:inline-block;padding:12px 36px;background:#2d7a46;color:#fff;border-radius:4px}

.gr-pagination{display:flex;justify-content:center;gap:8px;margin-top:30px}
.gr-pagination a{padding:8px 16px;border:1px solid #ddd;border-radius:4px;font-size:14px;color:#555}
.gr-pagination a.gr-active{background:#2d7a46;color:#fff;border-color:#2d7a46}

@media(max-width:992px){
  .gr-prod-grid,.gr-news-grid{grid-template-columns:repeat(2,1fr)}
  .gr-adv-grid,.gr-app-grid{grid-template-columns:repeat(2,1fr)}
  .gr-about-wrap,.gr-prod-detail-wrap{grid-template-columns:1fr}
  .gr-foot-grid{grid-template-columns:1fr 1fr}
  .gr-banner-slide{height:340px}
  .gr-banner h2{font-size:30px}
}
@media(max-width:768px){
  .gr-nav{display:none;position:absolute;top:80px;left:0;right:0;background:#fff;box-shadow:0 6px 12px rgba(0,0,0,.1)}
  .gr-nav.gr-open{display:block}
  .gr-nav>ul{flex-direction:column;gap:0}
  .gr-nav>ul>li>a{padding:14px 20px;border-bottom:1px solid #eee}
  .gr-menu-btn{display:block}
  .gr-prod-grid,.gr-news-grid{grid-template-columns:1fr}
  .gr-news-list-item{flex-direction:column}
  .gr-news-list-item .gr-thumb{width:100%;height:200px}
  .gr-topbar{display:none}
  .gr-section{padding:40px 0}
  .gr-banner h2{font-size:24px}
}